Instructions
This calculator and graph will show you what the marginal effect of changes in your income is on your 2011 income tax, such as the marginal rate on your top dollar of income.

To use, start by answering the questions below (Part 1). You can then choose a specific item to graph as a range (Part 2). This graph will show you how your income tax changes over this range, as well as the marginal rates on the item that you are changing.

Privacy Notice: All the information entered on this page is encoded in this URL. If you've entered your actual income and financial details, and would like to keep that private, then don't share this link.

Click here to download the table below in CSV format for use with a spreadsheet program.